Patents by Inventor Shuhei Yoshida

Shuhei Yoshida has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210281517
    Abstract: A network load balancing apparatus has a data buffer for each communication path of a received packet's transfer destinations, calculates a first hash value using a field value contained in the packet, determines, based on the field value of the packet or the first hash value, a communication path of a transfer destination of the packet subject to external transfer control for transmission to a predetermined external server, determines, based on the first hash value, a communication path of a transfer destination of the packet to be subject to priority control, determines, based on a second hash value based on the first hash value, a communication path of a transfer destination of the packet to be subject to load balancing control, to match a preset load balancing situation of the data buffer, and transmits the packet to a data buffer corresponding to the communication path of the transfer destination.
    Type: Application
    Filed: July 5, 2019
    Publication date: September 9, 2021
    Inventors: Koji Yamazaki, Saki Hatta, Shoko Oteru, Tomoaki Kawamura, Yuta Ukon, Shuhei Yoshida, Koyo Nitta
  • Publication number: 20210268927
    Abstract: An information calculation system acquires a battery load history of a secondary battery that has been used. The information calculation system calculates first degradation states of a plurality of battery constituent elements of the secondary battery, based on the battery load history acquired and a plurality of degradation factors related to each of the battery constituent elements. The information calculation system acquires estimated load information on a load that is estimated to act on the secondary battery when the secondary battery is used in a future application. The information calculation system calculates future second degradation states of the plurality of battery constituent elements of the secondary battery when the secondary battery is used in the future application, based on the first degradation states related to the battery constituent elements calculated, the estimated load information acquired, and the plurality of degradation factors related to the battery constituent elements.
    Type: Application
    Filed: February 23, 2021
    Publication date: September 2, 2021
    Applicant: DENSO CORPORATION
    Inventors: Yuta SHIMONISHI, Shuhei YOSHIDA
  • Publication number: 20210270907
    Abstract: In the battery deterioration prediction system, a polarization calculation unit calculates negative and positive electrode polarizations from negative and positive electrode resistances, and an electrical current value flowing through the secondary battery. A CCP calculation unit calculates a negative electrode closed-circuit potential on the secondary battery negative electrode open circuit potential and the negative electrode polarization calculated by the polarization calculation unit, and calculates a positive electrode closed-circuit potential based on the secondary battery positive electrode open circuit potential and the positive electrode polarization calculated by the polarization calculation unit.
    Type: Application
    Filed: March 1, 2021
    Publication date: September 2, 2021
    Applicant: DENSO CORPORATION
    Inventors: Yuta SHIMONISHI, Shuhei YOSHIDA
  • Patent number: 11047073
    Abstract: Method for producing a textile unidirectional fabric, wherein at least one planar layer of multi-filament reinforcement threads arranged parallel to each other are woven with each other over transverse threads, wherein transverse threads having core-sheath structure and titer of 10 to 40 tex are used as transverse threads, wherein transverse threads have a first component, which structures sheath, and second component, which structures core, wherein first component has lower melting temperature than second component, first component is meltable thermoplastic polymer material and, via first component of transverse threads, adjacently arranged multi-filament reinforcement threads are connected to each other by hot melting, wherein alleys are formed in unidirectional fabric by interweaving multi-filament reinforcement threads together with transverse threads, by means of which a permeability of 10 to 600 l/dm2/min can be established.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: June 29, 2021
    Assignees: TOHO TENAX EUROPE GMBH, TOHO TENAX CO., LTD.
    Inventors: Ronny Wockatz, Dirk Ortmanns, Shuhei Yoshida, Yosuke Nakamura, Hidekazu Yoshikawa
  • Patent number: 10951066
    Abstract: In order to facilitate impedance matching even when using a magnetic field antenna for power transmission in a medium, this underwater wireless power supply device 101 wirelessly transmits energy by resonating at a frequency determined by the impedance of a power transmission antenna 103, the impedance of a power receiving antenna 104, and the impedance of a good conductor medium 102. The power transmission antenna 103 and the power receiving antenna 104 have multiple antenna coils 1061, and multiple resonant antenna units 1051 to 1054 having at least one dielectric 1071 arranged between the multiple antenna coils 1061, and, at least one of the multiple resonant antenna units 1051 to 1054 is provided with a load adjustment mechanism 1081 for adjusting the load.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: March 16, 2021
    Assignee: NEC CORPORATION
    Inventors: Shuhei Yoshida, Masahiro Tanomura
  • Patent number: 10944292
    Abstract: In order to reduce a power transmission antenna and power receiving antenna of a wireless power supply device for supplying power underwater to a size suitable for an underwater mobile body and sensor, this underwater wireless power supply device 101 wirelessly transmits energy by resonating at a frequency determined by the impedance of a power transmission antenna 103 that transmits energy wirelessly in a good conductor medium 102, the impedance of a power receiving antenna 104 which receives energy transmitted from the power transmission antenna 103, and the impedance of the good conductor medium 102. The power transmission antenna 103 and the power receiving antenna 104 have the multiple antenna coils 105, 106, and at least one dielectric 107, 108 arranged between the multiple antenna coils 105, 106, and the multiple antenna coils 105, 106 each has multiple laminated coils 109.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: March 9, 2021
    Assignee: NEC CORPORATION
    Inventors: Shuhei Yoshida, Masahiro Tanomura, Hiromitsu Tahara
  • Publication number: 20200392655
    Abstract: Method for producing a textile unidirectional fabric, wherein at least one planar layer of multi-filament reinforcement threads arranged parallel to each other are woven with each other over transverse threads, wherein transverse threads having core-sheath structure and titer of 10 to 40 tex are used as transverse threads, wherein transverse threads have a first component, which structures sheath, and second component, which structures core, wherein first component has lower melting temperature than second component, first component is meltable thermoplastic polymer material and, via first component of transverse threads, adjacently arranged multi-filament reinforcement threads are connected to each other by hot melting, wherein alleys are formed in unidirectional fabric by interweaving multi-filament reinforcement threads together with transverse threads, by means of which a permeability of 10 to 600 l/dm2/min can be established.
    Type: Application
    Filed: March 29, 2018
    Publication date: December 17, 2020
    Applicants: TEIJIN CARBON EUROPE GMBH, TEIJIN LIMIITED
    Inventors: Ronny WOCKATZ, Dirk ORTMANNS, Shuhei YOSHIDA, Yosuke NAKAMURA, Hidekazu YOSHIKAWA
  • Patent number: 10868295
    Abstract: There is provided a positive electrode active material composite for a lithium-ion secondary battery, in which, when using as a positive electrode active material of the lithium-ion secondary battery, it can effectively improve high-temperature cycle characteristics. In the positive electrode active material composite for a lithium-ion secondary battery, only on the surface of a lithium transition metal oxide secondary particle (A) composed of one or more of the lithium transition metal oxide particles represented by the following formula (I): LiNiaCobMncM1xO2 . . . (I) or the following formula (II): LiNidCOeAlfM2yO2 . . . (II), a lithium-based polyanion particles (B) is composited with lithium transition metal oxide particles under a specific condition, the lithium-based polyanion particles (B) being represented by the following formula (III) or (III)?: LigMnhFeiM3zPO4 . . . (III) or Mnh?Fei?M3z?PO4 . . . (III)? and being supporting carbon (C) on a surface thereof.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: December 15, 2020
    Assignees: TAIHEIYO CEMENT CORPORATION, DENSO CORPORATION
    Inventors: Hiroki Yamashita, Yuko Hirayama, Toshihito Shimada, Takaaki Ogami, Shuhei Yoshida, Satoru Suzuki
  • Publication number: 20200385891
    Abstract: An object of the present invention is to provide a carbon fiber which exhibits excellent strength development rate when used in a composite material. The present invention that solves the problems is a carbon fiber which simultaneously satisfies the following formulae (1) and (2): Lc/d?3??(1) TS×d×Lc>6.0×105??(2) wherein: Lc is an X-ray crystallite size (?), d is a filament diameter (?m), and TS is a strand tensile strength (MPa).
    Type: Application
    Filed: November 22, 2018
    Publication date: December 10, 2020
    Applicants: TEIJIN LIMITED, TEIJIN CARBON EUROPE GMBH
    Inventors: Shuhei YOSHIDA, Hidekazu YOSHIKAWA, Yosuke NAKAMURA, Hironori KAWAMOTO, Takaya SUZUKI, Toru KANEKO
  • Publication number: 20200371145
    Abstract: An abnormality determination device for a secondary battery includes an internal-resistance calculation unit, a threshold memory unit, a capacity balance comparison unit, and an abnormality determination unit. The internal-resistance calculation unit detects an internal resistance in a negative-electrode reaction resistance dominant region in which a reaction resistance of a negative electrode is dominant in a charge and discharge reaction of the secondary battery. The threshold memory unit stores a capacity balance threshold used as a reference for determining abnormality in a balance between a capacity of a positive electrode and a capacity of the negative electrode in the secondary battery. The capacity balance comparison unit compares the internal resistance calculated by the internal-resistance calculation unit with the capacity balance threshold stored in the threshold memory unit.
    Type: Application
    Filed: August 13, 2020
    Publication date: November 26, 2020
    Applicant: DENSO CORPORATION
    Inventors: Nobuo YAMAMOTO, Ichiro YAMADA, Shuhei YOSHIDA, Masaya NAKAMURA, Takehiko YAMAKI, Hiroyasu SUZUKI, Katsuki HAYASHI
  • Patent number: 10749611
    Abstract: In order to provide an underwater radio communication system which stably uses wideband modulated signal to communicate with electromagnetic waves, this underwater radio communication system, for communicating underwater between a transmission unit and a receiving unit with electromagnetic waves, has a distortion compensation unit which compensates for distortion resulting from propagation in water in accordance with the frequency of the electromagnetic waves.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: August 18, 2020
    Assignee: NEC CORPORATION
    Inventors: Shuhei Yoshida, Masahiro Tanomura
  • Publication number: 20200259224
    Abstract: A battery structure includes a plurality of batteries each made of lithium-ion secondary battery; and a plurality of arrangement portions in which the plurality of batteries are arranged. The plurality of arrangement portions are divided into two groups of: a upper heat transfer group having heat transfer orders higher than a center value of the heat transfer orders, where the heat transfer orders are respective amount of heat transfer from the batteries being ranked in descending order; and a lower heat transfer group having the heat m transfer orders lower than the center value. A battery among the plurality of batteries showing the highest value of a lithium deposition tolerance which represents a degree of lithium being unlikely to deposit during charge/discharge operation, is disposed in a high tolerance arrangement portion in the plurality of arrangement portions, the high tolerance arrangement portion belonging to the upper heat transfer group.
    Type: Application
    Filed: February 10, 2020
    Publication date: August 13, 2020
    Applicant: DENSO CORPORATION
    Inventors: Yuta SHIMONISHI, Shuhei YOSHIDA, Daisuke SHIBATA, Hiroyoshi YAMAMOTO
  • Publication number: 20200161632
    Abstract: There is provided a positive electrode active material composite for a lithium-ion secondary battery, in which, when using as a positive electrode active material of the lithium-ion secondary battery, it can effectively improve high-temperature cycle characteristics. In the positive electrode active material composite for a lithium-ion secondary battery, only on the surface of a lithium transition metal oxide secondary particle (A) composed of one or more of the lithium transition metal oxide particles represented by the following formula (I): LiNiaCobMncM1xO2 . . . (I) or the following formula (II): LiNidCOeAlfM2yO2 . . . (II), a lithium-based polyanion particles (B) is composited with lithium transition metal oxide particles under a specific condition, the lithium-based polyanion particles (B) being represented by the following formula (III) or (III)?: LigMnhFeiM3zPO4 . . . (III) or Mnh?Fei?M3z?PO4 . . . (III)? and being supporting carbon (C) on a surface thereof.
    Type: Application
    Filed: May 18, 2018
    Publication date: May 21, 2020
    Applicants: TAIHEIYO CEMENT CORPORATION, DENSO CORPORATION
    Inventors: Hiroki YAMASHITA, Yuko HIRAYAMA, Toshihito SHIMADA, Takaaki OGAMI, Shuhei YOSHIDA, Satoru SUZUKI
  • Patent number: 10659006
    Abstract: A resonator element includes: a base portion including a first end surface that faces a first direction and a second end surface that faces a direction opposite to the first direction, a first vibrating arm that is provided integrally with the base portion and is connected to the first end surface; and a second vibrating arm that is provided integrally with the base portion along the first vibrating arm and is connected to the first end surface. When the shortest distance between the first end surface and the second end surface is Wb and an effective width between the shortest distance Wb and the base portion is We, 0.81?Wb/We?1.70 is satisfied.
    Type: Grant
    Filed: June 6, 2017
    Date of Patent: May 19, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Akinori Yamada, Shuhei Yoshida
  • Patent number: 10655590
    Abstract: A vehicle performs notification about an open/closed state of a lid member covering an interface for supplying driving energy. The vehicle includes a notification portion that performs notification when the lid member is in the open state and a connection detecting portion that detects a connection state of a driving energy supply device to the interface. In the vehicle, the notification portion suspends notification when the driving energy supply device is connected to the interface during the open state of the lid member.
    Type: Grant
    Filed: November 16, 2017
    Date of Patent: May 19, 2020
    Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHA
    Inventors: Hirofumi Yagura, Yuichi Kamei, Yasuo Kamimura, Shuhei Yoshida, Makoto Kamachi, Hirotaka Sugimoto
  • Publication number: 20200041576
    Abstract: An apparatus for estimating a degradation degree of a secondary battery includes a pulse current applying unit that applies a pulse current; a voltage acquiring unit that acquires a charge voltage and a discharge voltage which are produced at the secondary battery by applying the pulse current; a relative value calculation unit that calculates a relative value between the charge voltage and the discharge voltage; a correlation storage unit that stores a correlation between a relative value between the charge voltage and the discharge voltage, and a degradation degree of the secondary battery; and a degradation degree estimation unit that obtains a degradation degree of the secondary battery from the correlation storage unit, based on the relative value calculated by the relative value calculation unit.
    Type: Application
    Filed: August 2, 2019
    Publication date: February 6, 2020
    Applicant: DENSO CORPORATION
    Inventors: Yoshinori SATO, Shuhei YOSHIDA, Nobuo YAMAMOTO, Yuta SHIMONISHI
  • Patent number: 10553859
    Abstract: An electrode active material for a nonaqueous electrolyte secondary battery includes: a core part including at least one of an inorganic oxide and a carbon-composite inorganic composite oxide; and a shell part for carbon coating on the core part. The electrode active material has a specific surface area of 6.0 m2/g or more. The electrode active material has a moisture content of 400 ppm or less, which is measured by a Karl Fischer method such that the electrode active material is heated in a heat-evaporating manner, and continuously maintained at 250° C. for 40 minutes without exposing to an atmosphere after the electrode active material is exposed to the atmosphere to absorb moisture to be saturated.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: February 4, 2020
    Assignee: DENSO CORPORATION
    Inventors: Shuhei Yoshida, Koji Ohira, Masaki Uchiyama, Daisuke Shibata
  • Publication number: 20190361077
    Abstract: To provide a battery service life estimation system capable of improving estimation accuracy, a new battery service life estimation system includes an intersection time estimation unit and a service life estimation unit. In view of a relation between a cumulative usage period and a capacity retention0 rate of a secondary battery containing a non-aqueous electrolyte, the intersection time estimation unit estimates a prediction line intersection time tx when an anode service life prediction line intersects with a cathode service life prediction line on a plane coordinate system. The service life estimation unit estimates a battery service life by using the anode service life prediction formula before a point of the prediction line intersection time tx and the cathode service life prediction formula described the prediction line intersection time tx.
    Type: Application
    Filed: May 21, 2019
    Publication date: November 28, 2019
    Applicant: DENSO CORPORATION
    Inventors: Yuta SHIMONISHI, Shuhei YOSHIDA
  • Patent number: 10439209
    Abstract: An electrode includes an electrode material, which includes: a core part made of an active substance having a polyanion structure having Mn; and a shell part obtained by covering a surface of the core part with carbon. In addition, an amount of water, as measured by Karl Fischer's method when the electrode is held at 250° C. for 40 minutes after adsorbed water is volatilized by heating, is 1500 ppm or less.
    Type: Grant
    Filed: January 13, 2016
    Date of Patent: October 8, 2019
    Assignee: DENSO CORPORATION
    Inventors: Koji Ohira, Daisuke Shibata, Shuhei Yoshida, Keita Takahashi
  • Publication number: 20190265303
    Abstract: A battery monitoring system includes a data acquiring unit and a failure determining unit. The data acquiring unit acquires a plurality of types of monitoring data to monitor a state of a secondary battery. The failure determining unit determines whether the secondary battery has failed. The failure determining unit performs sparsity regularization using the monitoring data as variables and calculates a partial correlation coefficient matrix of the monitoring data. The failure determining unit calculates, as an abnormality level, an amount of change in a partial correlation coefficient, which is a component of the partial correlation coefficient matrix, between two partial correlation coefficient matrices calculated at different periods. The failure determining unit determines that the secondary battery has failed when the calculated abnormality level exceeds a predetermined threshold.
    Type: Application
    Filed: February 25, 2019
    Publication date: August 29, 2019
    Applicant: DENSO CORPORATION
    Inventors: Ichiro YAMADA, Nobuo YAMAMOTO, Shuhei YOSHIDA